An experiment mimicking conditions on the Saturn moon suggests that cell-like bubbles don’t form in methane lakes, puncturing hopes for alien life.

As Pollock approached mythic status, in the eyes of some critics, Krasner was cast in his shadow. She persisted, earning the title “The Mother Courage of Abstract Expressionism,” bestowed by critic ...

Sharks might not be a natural biological group, with most species potentially closer kin to rays than to an oddball group of sharks.